import random
import string
num = int(input("测试账号产生多少条："))
mark = []
for i in range(num):
    zimu = random.sample(string.ascii_lowercase,5)
    shuzi = random.sample(string.digits,5)
    z = ''.join(zimu)+''.join(shuzi)+"@163.com"
    mark.append(z)
    result = "\n".join(mark)
# print(result)
f = open("suiji.txt","w")
f.write(result)
f.close()

